html
body{
	padding: 0;
	margin: 0;
	font: 13px / 1.4 Helvetica, arial, nimbussansl, liberationsans, freesans, clean, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    color: #333;
}
ul{
	text-decoration: none;
	list-style: none;
}
li{
	cursor: pointer;
	line-height: 20px;
}
#container{
	width: 100%;
	height: auto;
	overflow: hidden;
}
#top{
	position: relative;
	width: 100%;
	height: 2rem;
	background-color: #f5f5f5;
}
#wipper{
	width: 100%;
	height: 32rem;
}
#sidebar{
	float: left;
	width: 10rem;
	height: 32rem;
	background-color: #d3d3d3;
}
#content{
	float: left;
	margin-left: 2rem;
	width: 67rem;
	height: 32rem;
	background-color: #cccccc;
}